IPv6 security and network protocols security

Get news and best practices on IPv6 security and network protocols such as VoIP, TCP/IP, FTP and more. Learn how to protect data and secure communication to prevent cyberattacks and stay up to speed on the latest flaw, vulnerabilities and exploits in popular network protocols.

June 09, 2020 09 Jun'20
'CallStranger' vulnerability affects billions of UPNP devices

A new vulnerability in the Universal Plug and Play protocol could be used to exfiltrate enterprise data and launch DDoS attacks, and patches may not arrive for a long time.
February 05, 2020 05 Feb'20
Cisco Discovery Protocol flaws jeopardize 'tens of millions' of devices

Armis Security disclosed five vulnerabilities, dubbed 'CDPwn,' in Cisco's Discovery Protocol, which impact 'tens of millions' of Cisco devices such as routers and IP phones.
May 06, 2019 06 May'19
Cisco SSH vulnerability sparks debate over backdoors

Cisco released a patch for a critical vulnerability in Nexus 9000 switches that could allow a remote attacker to gain root access because of the use of a default SSH key pair.
January 03, 2018 03 Jan'18
Risk & Repeat: The TLS 1.3 clock continues to click

In this week's Risk & Repeat podcast, SearchSecurity editors discuss the long wait for TLS 1.3 and the effects -- positive and negative -- the delays have had for enterprise security.

Bring yourself up to speed with our introductory content

12 common network protocols and their functions explained

Networking makes the internet work, but neither can succeed without protocols. Common network protocols and functions are key for communication and connection across the internet. Continue Reading
Advanced Encryption Standard (AES)

The Advanced Encryption Standard (AES) is a symmetric block cipher chosen by the U.S. government to protect classified information. Continue Reading
Secure Shell (SSH)

SSH, also known as Secure Shell or Secure Socket Shell, is a network protocol that gives users, particularly system administrators, a secure way to access a computer over an unsecured network. Continue Reading

Weigh the pros and cons of technologies, products and projects you are considering.

6 firewall selection criteria to purchase NGFWs

These six key factors will help your company determine the best NGFW product for your organization's needs. Continue Reading
Next-generation firewall comparison based on company needs

Compare leading next-generation firewalls to help find the option that best fits your IT environment and security needs. Continue Reading
Next-generation firewalls vs. traditional and UTMs

Learn the advantages of next-generation firewalls that protect enterprise networks from attacks and intrusion, as well as the differences between NGFWs and traditional firewalls. Continue Reading

Learn to apply best practices and optimize your operations.

What are the top network security techniques for modern companies?

Protecting the enterprise network remains integral to overall IT security. Here are the top network security techniques enterprises are using to protect data. Continue Reading
How does BGP hijacking work and what are the risks?

The lack of security protections in BGP means that route hijacking can be easy, especially for organized crime or state-backed threat actors. Here are ways to deal with it. Continue Reading
Will DNS Flag Day affect you? Infoblox's Cricket Liu explains

What is DNS Flag Day? That's when old and broken DNS servers will stop working, improving DNS performance and safety for all. Infoblox's chief DNS architect Cricket Liu explains. Continue Reading

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

DNS threats emerge as IoT sticking point

Organizations can get wrapped up in the excitement of IoT technology and forget that older tech, including DNS, might not be up to supporting and securing new and old technology. Continue Reading
How can DNS privacy issues be addressed?

Learn two techniques for improving end-user DNS privacy protection that prevent DNS from exposing information about websites users visit and the people users communicate with. Continue Reading
How to detect and defend against a TCP port 445 exploit and attacks

The WannaCry TCP port 445 exploit returned the spotlight to Microsoft's long-abused networking port. Network security expert Kevin Beaver explains how to detect and defend against such attacks. Continue Reading